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Rate of reaction experiment

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Rate of reaction experiment

  1. 1. weight on pan Rate of reaction means the speed of the reaction. Time balance loss of mass This can be either: 0 50 (a)The rate of disappearance of reactants 1 49.93 0.07 (b)The rate of appearance of products 2 3 The rate of reaction between marble chips and dilute 4 hydroochloric acid can be tracked by measuring the 5 weight loss as the reaction proceeds. 7 9 Method: 11 (1)put beaker on the digital pan balance and press the zero button. 13 (2)Add about 2g of calcium carbonate. (3)Add 50 mL of 2.0 moles per liter hydrochloric acid (4)start stopwatch running and note the weight recorded on the balance (5)record your results on the table Copy this table into your book and take the weight measurements from the video.
  2. 2. weight on pan Rate of reaction means the speed of the reaction. Time balance loss of mass This can be either: 0 50 (a)The rate of disappearance of reactants 1 49.93 0.07 (b)The rate of appearance of products 2 49.86 0.14 3 49.7 0.3 The rate of reaction between marble chips and dilute 4 49.59 0.41 hydroochloric acid can be tracked by measuring the 5 49.46 0.54 weight loss as the reaction proceeds. 7 49.38 0.62 9 49.25 0.75 Method: 11 49.19 0.81 (1)put beaker on the digital pan balance and press 13 49.15 0.85 the zero button. (2)Add about 2g of calcium carbonate. (3)Add 50 mL of 2.0 moles per liter hydrochloric acid (4)start stopwatch running and note the weight recorded on the balance (5)record your results on the table Copy this table into your book and take the weight measurements from the video. rate of reaction:2.0 mole per liter hydrochloric acid and marble chips 0.9 0.8 0.7 0.6 mass loss 0.5 Column D 0.4 0.3 0.2 0.1 0 0 2 4 6 8 10 12 14 time (min)
  3. 3. 2.0 mole per liter hydrochloric acid 1.0 mole per liter hydrochloric acid weight on pan Weight on pan Time balance (1) loss of mass (1) balance (2) loss of mass (2) 0 51.7 51.14 1 51.6 0.1 51.1 0.4 2 51.45 0.25 51.01 0.13 3 51.33 0.37 50.91 0.23 4 51.21 0.49 50.83 0.31 5 51.13 0.57 50.79 0.35 6 51.05 0.65 50.74 0.4 7 50.99 0.71 50.69 0.45 8 50.94 0.76 50.65 0.49 9 50.89 0.81 50.62 0.52 10 50.86 0.84 50.58 0.56 11 50.84 0.86 50.54 0.6 12 50.8 0.9 50.53 0.61 plot the results for these experiments on graph paper
  4. 4. comparing rate of reaction with 2.0 and 1.0 mole per liter acid 1 0.9 0.8 0.7 loss of mass (g) 0.6 0.5 loss of mass (1) loss of mass (2) 0.4 0.3 0.2 0.1 0 0 2 4 6 8 10 12 14 time (min)

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